API was established in 1994, in response to rapid growth in the truck cap and tonneau cover market. API recognized the need to compliment the growing market with installation clamps for truck caps, hard & soft tonneau covers, tool boxes and many other proprietor fabricated products.

Since 1994, API has become the fastest growing clamp manufacturer in the country. For many, API products have become the products of choice because we deliver the highest quality and the best value. API is dedicated to serving the truck cap and accessory industry by redefining the leading edge of cap installation technology and by delivering products that give years of reliable service. Our qualified, experienced professionals will increase the profitability of your business by continuing to deliver the highest quality products with the best consumer value.