Discover a curated list of premium plum suppliers specializing in organic, dried, and fresh plums, along with various processing and packaging options to suit your sourcing needs.
Dahl Valve Limited is a premier Canadian manufacturer and distributor of high-quality plumbing and heating valves, headquartered in Mississauga, Ontario. Founded in 1952 and operating as a manufacturer since 1960, the company is a family-owned business that pioneered the 1/4-turn mini-ball™ valve supply stop for the North American market. With a workforce of approximately 50 to 100 employees and an estimated annual revenue of $23.9 million, the company maintains a strong commitment to North American manufacturing, sourcing all raw materials and components exclusively from the United States and Canada.
The company specializes in an extensive range of plumbing solutions, including its signature mini-ball™ valves, supply stops, press valves, water hammer arrestors, and retrofit valves. Their diverse product portfolio also encompasses globe stops, radiator valves, balancing valves, and various plumbing fittings such as adapters, tees, and elbows. Additionally, they provide specialized kits for toilets and outlet boxes, as well as pipe hanging products and strapping. These products are engineered for residential, commercial, and industrial applications in bathrooms, kitchens, and utility areas.
Dahl Valve Limited operates its own manufacturing facilities and provides OEM services, ensuring rigorous quality control and in-house engineering. Their products are CSA and IAPMO certified, with specific compliance for lead-free requirements (dahl-ECO). Distributed through hundreds of wholesale and retail locations across the US and Canada, the company supports its professional plumbing clientele with a transferable lifetime warranty on its valve products.
Radiator Valves
Globe Stops
mini-ball™ Valves
Test Valves
Test Valves
mini-ball Balancing Valves 121BAL-13-13
Full Port Ball Valves
Full Port Ball Valves
Du-Call Miller Plastics, Inc.
🇺🇸 United States
195511-50 peopleManufacturer/Wholesaler/Service Company
Established brand
Product customization
Small batch production
Dropshipping ready
Key customer
AMTRAK
Description
Du-Call Miller Plastics, Inc. is a family-owned and operated custom manufacturer, wholesaler, and service company based in Elburn, US, specializing in plastic thermoforming and rotational molding. Established in 1955, the company has grown to employ between 11 and 50 people, with reported annual sales under $1 million. They offer a comprehensive range of plastic products including containers, trays, boxes, and packaging, alongside material handling equipment. Their expertise extends to both thin-gauge plastics for medical, food, and retail industries (e.g., disposable cups, blister packs) and thick-gauge plastics (e.g., vehicle panels, refrigerator components). Du-Call Miller Plastics also provides specialized rotational molding for low-volume, highly specialized orders, producing items from large chemical tanks to doll heads and medical displays. Beyond manufacturing, they offer contract packaging, warehousing, and drop shipping services, serving a diverse customer base including NASA and Amtrak. Their capabilities include custom plastic molding, vacuum forming, pressure forming, and plastic fabrication, supported by services like prototyping, research, design, development, and testing.
Packaging for Labratory Eye Wash
Cable Chase Junction
Base for Traffic Control
Virtual World Arcade Game
Packaging for Labratory Eye Wash
Tank with Inserts
Tray & Spacer for a Solar Toilet
Spillway Designed to Fit Both 12" & 15" Corrugated Pipe
Robotic Pick & Sort Tray
Banana Transports
Spillway Designed to Fit Both 12" & 15" Corrugated Pipe
Cover & Tank for Portable Hydraulic Pipe Bender
ProtoCAM
🇺🇸 United States
199411-50 peopleService Company/Manufacturer
Established brand
OEM manufacturer
Product customization
Small batch production
Key customer
BRUKER
Key market
North America
Description
ProtoCAM, a Prototek Company, is a leading US-based manufacturer and service company specializing in additive manufacturing and rapid prototyping services. Established in 1994, the company operates from Allentown, PA, with 11-50 employees, and is recognized as one of the largest rapid prototyping service bureaus in the Eastern United States, serving all of North America. ProtoCAM offers a comprehensive suite of digital manufacturing services, including a wide range of 3D printing technologies such as Stereolithography (SLA), Multi Jet Fusion (MJF), Selective Laser Sintering (SLS), Fused Deposition Modeling (FDM), Carbon Digital Light Synthesis (DLS), PolyJet, and Direct Metal Laser Sintering (DMLS). They also provide traditional prototyping and manufacturing services like 3, 4, and 5-axis precision CNC machining (milling, turning, wire, small hole, and sinker EDM), urethane casting, wax casting, investment casting patterns (including innovative QuickCast technology), and rapid tooling. ProtoCAM is certified with ISO 9001:2015 and AS9100D:2016, and is ITAR Registered, ensuring high-quality standards for industries including aerospace, defense, automotive, medical, electronics, and consumer goods. The company processes materials such as aluminum, stainless steel, brass, polycarbonate, and nylon, offering both prototypes and short production runs with a focus on quick turnaround times and customer-centric engineering support.
Selective Laser Sintering
Digital Light Processing
Selective Laser Sintering
Material Jetting
Allegro
EAGLE
Librarian (FPX Only)
Stereolithography
Stereolithography
Stereolithography Quickcast®
Fused Fabrication Filament
Altium
Princeton Microwave Technology Inc.
🇺🇸 United States
19945-10 peopleManufacturer
Established brand
High-tech enterprise
OEM manufacturer
Key customer
DEFENSE LOGISTIC AGENCY
Key market
🇺🇸 United States
Description
Princeton Microwave Technology Inc. (PmT) is a premier manufacturer and designer of solid-state microwave products based in Trenton, New Jersey. Founded in 1994, the company operates as a specialized small business enterprise with AS9100 and ISO 9001 certifications. PmT serves a diverse range of high-reliability sectors, including military, space, airborne, government, and commercial telecommunications markets. The company has expanded its technical capabilities by acquiring the designs and assets of Gamma Microwave, HK Microwave, and Spectrum Dynamics, allowing it to offer enhanced performance across its product lines.
Couplers
Bias Tees
Power Dividers
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Youngstown Plastic Tooling & Machinery Inc.
🇺🇸 United States
198411-50 peopleManufacturer/Service Company
Established brand
OEM manufacturer
Product customization
ODM manufacturer
Key customer
XOMETRY
Key market
🇺🇸 United States
Description
Youngstown Plastic Tooling & Machinery Inc. (Y.P.T.M.) is a specialized manufacturer and service company based in Youngstown, Ohio. Founded in 1984, the company operates as a contract manufacturer and OEM, primarily serving the plastic extrusion industry. With a workforce of 11 to 50 employees and facilities spanning over 65,000 square feet across two buildings, the company provides comprehensive engineering, design, and fabrication services for both standard and customized industrial solutions. Their core expertise lies in Custom Extrusion Tooling, where they utilize advanced CAD, CAM, and CNC software alongside computer-controlled traveling wire EDM to produce precision dies and sizing systems. Y.P.T.M. offers an extensive portfolio of over 120 machinery products, including plastic extruders, vacuum tables, spray tanks, pullers, cutting machinery, embossers, coilers, and stackers. Beyond the plastics sector, the company leverages its full-service machine shop to build automated machinery and auxiliary equipment for various other industries. Their capabilities extend from initial product design and conceptualization to final production-ready fabrication, focusing on reducing project costs and enhancing production line efficiency. All products are manufactured in the USA, and the company is recognized as an approved Xometry Partner.
machine2
Prostar Manufacturing Inc.
🇺🇸 United States
201151-100 peopleManufacturer
OEM manufacturer
Product customization
Industry association member
Key customer
COMPASS
Description
Prostar Manufacturing Inc. is a premier contract manufacturer and OEM specialist headquartered in Pasadena, Texas. Founded in 2011, the company has grown from a small facility into a major operation spanning over 150,000 square feet across three facilities. Prostar provides full turn-key services, including design, engineering, fabrication, painting, and installation, with all products proudly made in the USA. The company serves a diverse range of demanding sectors, including Oil & Energy, Government/Military, Construction, and Food & Beverage.
Specializing in heavy-duty industrial equipment, Prostar's core product portfolio includes ASME pressure vessels (U1 and U2 stamps), industrial tanks, compressor stations, reboilers, and vapor recovery units. The company also operates dedicated divisions for industrial reels, storage racks, and custom structural steel solutions such as work platforms, walkways, and ladders. Their manufacturing capabilities are extensive, featuring water jet and plasma cutting, plate rolling and bending, and advanced welding processes (FCAW, GMAW, GTAW, SMAW, SAW) performed by certified welders.
Prostar Manufacturing is committed to high-level quality and safety standards, maintaining ISO 9001 certification and the National Board R Stamp. With over 150 years of combined manufacturing experience among its leadership, the company emphasizes strategic project management and schedule compliance to deliver cost-optimal solutions for complex industrial projects.
LTM Plastics
🇺🇸 United States
197711-50 peopleManufacturer
Established brand
OEM manufacturer
Product customization
Industry association member
Key customer
ALTA PRODUCTS
Description
LTM Plastics, founded in 1977, is a US-based contract manufacturer specializing in plastic injection molding services. Operating from Denver, Colorado, the company functions as a Quick Response Manufacturer (QRM), providing mid-to-high volume production capabilities, ranging from 10,000 to millions of parts annually. LTM Plastics offers comprehensive services including thermoplastic, over-molding, and insert molding, complemented by secondary operations such as assembly, finishing, packaging, and industrial design. The company operates a 24/7 production schedule with 18 modern electric presses (55-400 tons) and utilizes advanced systems like Delmiaworks ERP, real-time production monitoring, and automation. With an on-site toolroom and RJG certified technicians, LTM Plastics emphasizes custom solutions, quality, and collaboration, serving diverse industries from industrial components and consumer goods to specialized products like firearm components and disc golf products. They also offer transfer tooling services and have proprietary brands including LTM Concrete for construction accessories. LTM Plastics is certified USAMADE and CO_MADE.
Springs & Things Inc.
🇨🇦 Canada
19975-10 peopleManufacturer
Established brand
OEM manufacturer
Small batch production
Product customization
Key customer
WINDSOR MACHINERY DE MEXICO
Key market
🇨🇦 Canada
Description
Springs & Things Inc. is an ISO 9001:2015 certified custom manufacturer specializing in springs and wire forms. Based in Mississauga, Ontario, Canada, and established in 1997, this family-owned company serves a diverse range of industries across North America, including the automotive, medical, and construction sectors. With a team of experienced professionals possessing over 125 years of collective industry expertise, the company provides comprehensive solutions from prototyping and design support to short-run and full-scale production.
The company's extensive product portfolio includes compression, extension, torsion, flat, and spiral torsion springs, as well as coiled springs, wire forms, and metal stampings. They work with a wide variety of materials, ranging from music wire and stainless steel (T302, T316, T17-7) to specialty alloys such as Monel, Inconel, and Hastelloy. Their manufacturing capabilities accommodate wire diameters from 0.006 to 0.625 inches in various body shapes, including cylindrical, conical, barrel, and hour-glass configurations.
In addition to core manufacturing, Springs & Things Inc. offers value-added services such as mechanical wire assemblies, straighten and cut wire, and spring end grinding. They provide numerous finishing and coating options, including galvanized, nickel, tin, and bezinal preplating, as well as nylon, plastisol, and PVC coatings for enhanced corrosion protection and performance. Known for their quick delivery and commitment to quality management, they support both large corporations and entrepreneurs with custom-engineered components tailored to specific product requirements.
M.M. Newman Corporation
🇺🇸 United States
195611-50 peopleManufacturer/Distributor/Trading Company
Established brand
OEM manufacturer
Own brand
Product customization
Key customer
WINCHESTER INTERCONNECT
Key market
North America
Description
M.M. Newman Corporation is a premier manufacturer and distributor based in Marblehead, Massachusetts, specializing in cable management and specialized heating tools. Established in 1956, the company is recognized as the world’s leading manufacturer of Heli-Tube® spiral cable wrap, a versatile expandable plastic cable harness used for organizing and protecting wires, hoses, and tubing across industrial, marine, automotive, and aerospace sectors. Their products are proudly 'Made in the USA' and adhere to rigorous quality standards, including ISO 9001:2015 certification and various UL, ASTM, and military specifications.
The company's extensive product portfolio includes spirally cut tubing available in materials such as polyethylene, nylon, PTFE, and TFE, as well as heat shrink tubing, FEP corrugated tubing, and PTFE convoluted tubing. Beyond cable management, M.M. Newman Corporation operates a dedicated Hot Tools division that manufactures specialized equipment including hot knife cutters, woodburning tools, stencil makers, and foil transfer pens. They also serve as the sole importing agent for Antex miniature soldering irons, stations, and accessories.
With a workforce of approximately 11 to 50 employees, M.M. Newman Corporation functions as a manufacturer, custom manufacturer, and trading company. They are committed to superior customer service, offering just-in-time (JIT) delivery programs and maintaining a large inventory to ensure short lead times for both standard and custom tubing sizes.
MB Industries, Inc.
🇺🇸 United States
189451-100 peopleManufacturer/Service Company/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Product customization
Key customer
PLATINUM PLASTICS
Key market
🇬🇭 Ghana
Description
MB Industries, Inc. is a US-based manufacturer, service company, and trading company located in Rosman, North Carolina, specializing in OEM, contract manufacturing, and component supply. Established in 1894, the company has grown to employ between 51 and 100 people. MB Industries operates with divisions including Sunbelt Stamping and Mitchell Bissell, focusing on metal forming, stamping, finishing, and secondary assembly to produce high-quality OEM parts. Their extensive product portfolio includes metal stampings, custom wire forms, textile machinery parts such as thread guides and tension discs, eyelets, electrical contacts, terminal blades, brackets, brush tubes, assembled metal parts, current coils, brake rods, and shunts. They also offer specialty packaging services, including Bag on Valve (BOV) systems, and industrial products like anti-spatter agents and water cleaners. The company provides comprehensive services from prototype development to optimizing existing tooling, serving diverse industries such as textile, watt-hour metering, lawn and garden, automotive, healthcare, and power tools. MB Industries maintains a robust Quality Management System, utilizing traditional metrology equipment and statistical methods to ensure product quality and customer satisfaction, including PPAP preparation. They serve notable customers such as Itron, Honeywell, Husqvarna, Kubota, and John Deere.