B&W Tek Inc. of Newark, Del., a producer of optical spectroscopy and laser systems, has entered into a distribution agreement with Pacer USA LLC of Palm Beach Gardens, Fla., which will distribute the devices in North America. The association extends to the US the longtime relationship in the UK between Pacer International and B&W Tek. As a result of the contract, B&W Tek, a producer of instruments for the biomedical, physical, chemical and research communities, has added more than 40 sales representatives across North America. Pacer International is a supplier of optoelectronic, display and laser solutions.