Diversified Design Dynamics

R-K Electronics designs and manufactures electrical automation control components. The company provides a wide range of standard and custom products for machinery systems. Its line of relays includes alternating, current, liquid level control, intrinsically safe, time delay and voltage models. R-K Electronics also offers transient voltage filters, zero speed switches, rails, brackets and sockets. The company is affiliated with the Association for High Technology Distribution and National Association of Electrical Distributors. It is 9001 certified by the International Standards Organization. R-K Electronics is based in Cincinnati.

American Environmental Corporation is a well-established environmental consulting, engineering, contracting, and project management firm that caters to clients in the Midwest region. The company boasts of its extensive experience and comprehensive services, making it a reliable choice for all environmental-related needs. Generated from their website's infomation

Square D is one of the world s leading providers of electrical distribution, circuit protection, power transmission and industrial control products. The company offers a range of products for the residential, building, industry, manufacturing, energy and infrastructure markets. Its products include miniature circuit breakers, supplementary protectors, disconnection and safety switches, panel boards and metering units. Square D also provides transformers, safety relays, pilot lights, terminal blocks, fuse holders, and heavy-duty pendant and wall stations. In operation for more than 75 years, the company additionally offers refurbishment, replacement and recommendation solutions for optimizing existing equipment. It provides power distribution components. Square D is owned and operates by Schneider Electric, which has annual sales of over $6.6 billion.