Plastic Spring clamps are lightweight fastening tools designed to grip, hold, or secure materials together using a spring‑loaded mechanism molded from durable plastic. These clamps are widely used in woodworking, assembly, packaging, DIY projects, and industrial applications where temporary holding or positioning is required. Because they offer quick operation, corrosion resistance, and minimal surface damage, plastic spring clamps have become a preferred choice across workshops, manufacturing facilities, and construction sites. Their ergonomic design and reliable clamping force allow users to keep workpieces steady while glue dries, while components are aligned, or during temporary assembly tasks.
In the Toronto, Canada area, a number of plastics manufacturers and fabrication specialists support the production and supply of plastic clamps, clips, fasteners, and related products through custom injection molding, plastic fabrication, and contract manufacturing services. These companies bring engineering expertise, modern tooling, and flexible production capabilities that enable them to produce high‑quality plastic spring clamps tailored to specific strength, size, and material requirements.
In this blog, we introduce the Best 7 Plastic Spring Clamp Manufacturers in Toronto, Canada that serve this market with quality plastic parts and components.
1. Ontario Plastic Fabricators Div MPPI

Ontario Plastic Fabricators has been serving Toronto and the GTA as a custom plastic fabrication and products supplier that can design and produce Adjustable clamp for pipe , Adjustable spring clamp and other components to customer specifications. Their manufacturing capabilities include plastic cutting, machining, thermoforming, and fabrication of complex shapes from a wide range of polymer materials. Additionally, the company focuses on delivering robust and consistent products, making them suitable for industrial and commercial clients who require high‑performance components. Their team collaborates with clients to understand specific needs, ensuring that each fabricated clamp or part meets functional and dimensional requirements. Clients choose Ontario Plastic Fabricators because of their adaptability, attention to detail, and local manufacturing presence in Ontario. What sets this company apart is their ability to handle customized projects and deliver quality plastic parts with competitive turnaround times.
Address: 10 Carlow Ct #1, Whitby, ON L1N 9T7, Canada
2. Ontario Plastic

Ontario Plastic is a Scarborough‑based plastic resin manufacturer that produces a variety of engineered plastics and custom plastic parts that can be used to create durable Adjustable g clamp , Aluminum spring clamp , Metal spring clamp and other fastening components. The company's broad materials expertise includes polyethylene, polypropylene, nylon, and other polymers ideal for injection molding and fabrication of application‑specific clamps. They also provide materials and fabrication services that support both prototyping and high‑volume production, which allows businesses to scale their manufacturing efficiently. Because Ontario Plastic prioritizes quality and material consistency, clients can rely on their products to perform predictably in demanding environments. Furthermore, their willingness to work closely with designers and engineers helps ensure that plastic clamp components meet tight tolerances and performance criteria.
Address: 300 Midwest Rd, Scarborough, ON M1P 3A9, Canada
3. JMR Plastic Products Inc.

JMR Plastic Products Inc. is a privately owned injection molding company based in the Greater Toronto Area that specializes in producing custom plastic parts for a wide range of industries. Although they do not market specific plastic spring clamps under their own brand, their custom molding services allow clients to develop and manufacture spring clamp designs, Metal spring clamps , clips, clips, and related fasteners on demand using high‑quality plastic materials. Their expertise in mold design, production consistency, and cost‑effective runs makes them a strong choice for businesses seeking custom plastic clamp solutions. Furthermore, their Ontario location helps reduce lead times and shipping costs for Canadian clients. Clients should consider JMR Plastics because of their flexibility, competitive pricing, and ability to support projects from prototype through full production.
Address: Mississauga, ON, Canada
4. Modern Age Plastics Inc.

Modern Age Plastics is a long‑established Toronto plastics manufacturer with extensive experience in plastic fabrication, machining, CNC routing, Adjustable jaw pliers , and creation of specialty components. Their capabilities support custom parts, displays, and fixtures, which can include Spring steel clamps , plastic spring clamps or clamp bodies designed as part of bespoke projects. Over decades of operation, the company has developed a reputation for combining creative design support with reliable fabrication, making them an ideal partner for businesses requiring specialized plastic parts that are not off‑the‑shelf. Because Modern Age Plastics blends artistic design with engineering discipline, they are particularly well‑suited for clients seeking both functional and visually refined components, such as clamps used in merchandising or display applications.
Address: 50 Fasken Drive, Units 1‑7, Toronto, ON M9W 1K5, Canada
5. Polymershapes Toronto

Polymershapes Toronto is a leading plastics supplier and fabricator that stocks a wide range of engineering plastics and offers services such as cut‑to‑size plastics, thermoforming, and machining. While they are primarily a materials supplier rather than a clamp manufacturer, their inventory of high‑quality plastic sheets, rods, and tubes enables customers and manufacturers to source raw materials suitable for producing plastic spring clamps. Their experienced team can assist with material selection based on performance requirements such as flexibility, toughness, and resistance to environmental conditions. Additionally, Polymershapes' global network provides access to advanced thermoplastics and delivery services throughout the Toronto area. Businesses should choose Polymershapes for its material expertise, broad product range, and tailored service that speeds up production and prototyping of custom plastic clamp components.
Address: 71 Whitmore Rd, Vaughan, ON L4L 8G5, Canada
6. Johnston Industrial Plastics Limited

Johnston Industrial Plastics is one of Canada's oldest industrial plastics distributors and fabricators, with a significant facility in Toronto that serves local and national clients. Though best known for supplying plastic sheets, Woodworking spring clamps , rods, tubes, and machining services, their comprehensive wet tooling and fabrication capabilities can support the production of custom injection molded parts such as spring clamps, clips, and other plastic fastening products. Their ISO 9001:2015 certification demonstrates a commitment to quality management, ensuring that plastic components meet strict accuracy and performance standards. Moreover, their extensive inventory of engineering plastics makes them a valuable partner for businesses requiring precise plastic clamp solutions with reliable material properties. Clients can confidently work with Johnston Industrial Plastics for both prototyping and production runs that meet industrial demands.
Address: 20 Fleeceline Road, Toronto, ON M8V 2K3, Canada
7. Custom Plastics International Ltd.

Custom Plastics International Ltd is a North American plastic injection molding supplier with Ontario operations that provide high‑quality injection molded plastic parts for a wide range of industrial applications. Their services include mold design, tool building, Woodworking corner spring clamps , part production, and quality control, which are essential for manufacturing reliable plastic spring clamps at scale. Although based in Cobourg, Ontario, they serve the greater Toronto market and beyond, offering expertise that helps businesses streamline their plastic component production and maintain consistent quality over large volumes. Their long history of working with engineered plastics and complex part specifications makes them a strong choice for companies that require clamps with precise functional performance. Customers benefit from their advanced engineering solutions, responsive service, and capability to execute projects from concept to finished production.
Address: 887 D'Arcy St, Cobourg, ON K9A 4B4, Canada
EN
AR
CS
DA
NL
FR
DE
IT
JA
KO
NO
PL
PT
RU
ES
SV
TL
ID
SR
SK
UK
VI
MS
GA
BE







