Hartley Roger Engineering Consulting

Hammett & Edison Founded in 1952, Hammett & Edison has become a recognized leader for engineering services to the broadcasting industry. Located from its inception near San Francisco, the firm presently has a professional staff of nine engineers, five of whom are registered as Professional Engineers. They are supported by data processing, graphic arts, secretarial, and field personnel. The firm is committed to the highest standards of engineering excellence and ethical conduct in the service of its clients. H&E has traditionally had a focus on broadcast station coverage ' obtaining, predicting, measuring, and improving signal coverage for its clients. From that focus, the firm has developed a number of fields of expertise, including frequency allocation, transmitting site selection, and optimized antenna design. Over the last 25 years, H&E has responded to client needs with a growing focus on environmental compliance for wireless telecommunications base stations ' calculations for proposed facilities and measurements for existing facilities, along with mitigation of conditions, where appropriate. From that focus, the firm has developed expertise with regard to RF exposure and acoustic noise. Described on this Web site are the major fields in which H&E's special expertise has proved valuable to its clients, along with information on the professional staff.

AYS Engineering Group, Inc. is a reputable engineering firm based in Petaluma, CA, specializing in providing high-quality and timely engineering services to a diverse range of clients. With a team led by Troy Pearce, a registered California Civil Engineer, AYS Engineering offers a comprehensive range of engineering solutions, from small-scale residential projects to large-scale infrastructure developments and public sector initiatives. Since its establishment in 2000, AYS Engineering has been committed to delivering exceptional results and creating a stimulating work environment for its employees. With a wealth of experience and expertise, the firm is dedicated to meeting the engineering needs of its clients, including site development, subdivision projects, and the design and implementation of street, sewer, and drainage systems.Generated from the website

MACTEC is a consulting firm that provides engineering, environmental and remedial construction services to public and private clients located throughout the world. The company operates more than 90 offices throughout the United States and employs more than 3,000 people. It is comprised of three operating units, including MACTEC Engineering and Consulting, MACTEC Development Corporation and MACTEC Federal Programs. MACTEC Engineering and Consulting provides consulting services pertaining to clients' environmental, operational and maintenance concerns. MACTEC Development Corporation provides expert decontamination, decommissioning and dismantlement services to government and commercial nuclear facilities. MACTEC Federal Programs is a provider of MACTEC's services to the federal sector. MACTEC is headquartered in Alpharetta, Ga. The company has an office in Petaluma, Calif.