TriMark® are one of the World’s leading innovators, designers and manufacturers of quality access hardware products for the recreational vehicle, agricultural, truck, construction, armored military vehicle and enclosure markets.

They boast a comprehensive range of complete door access systems including locks, latches, handles, striker bolts, linkages, electronic access control and related components. With a core focus on door access systems they offer truly exceptional quality - their products not only set the standards for design and value, they have been proven in the field time and time again.

Established for over 40 years in Iowa, USA, they have built a global reputation for providing not only an extensive range of standard components but also bespoke designs that offer customers precisely the system solutions they need.

Designing and implementing a true full system takes a wide range of products to ensure that all components work together to form a rugged and reliable system. Drawing from a vast array of experience TriMark’s manufacturing processes and Worldwide access to engineering data and experience in computer aided engineering ensures best in class performance.

KeyOne® Plus - convenience and security. Gone are the days when convenience and security are mutually exclusive terms when describing key code requirements and single key access control. TriMark® offer a single key locking system for the operation of multiple locking products on a vehicle. The ‘one-key - one vehicle’ program is made possible with the patented KeyOne® Plus modular lock design that can be easily installed in the final stages of production.



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With over 60 years design and manufacturing experience to draw from ensures a swift, efficient and flexible response to any individual requirements not met by our standard stock range.

Versatile manufacturing facilities supported by the latest CAD technology and 3D modelling capabilities provide an efficient way to combines dynamic product development with dramatic time and cost reductions.


BS EN ISO 9001:2008 accreditation ensures quality integrity of both product and service.

This provides the means to perpetually adapt to changes in the market place by maintaining continuous improvement strategies for both products and procedures with the active involvement of employees and customers alike.

Global Networks

An established and growing global network of distributors covering over 70 countries Worldwide are a vital extension to our UK based Export division.

Offering a professional service with a flexible approach, we draw from a vast logistical experience to provide prompt and accurate delivery. This ensures all customers receive the same outstanding level of world-class service and knowledge regardless of project location.

Customer Service

Our future depends on the success of our customers which is why we like to take a long term view to building relationships whilst delivering an unrivalled service and inspiring trust and confidence.

We believe that the key to providing excellent levels of service is listening. This enables our experienced sales team to gain a full understanding of your project. Only then can they offer accurate advice, working with you to make an informed decision and delivering most appropriate product options for your project.

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