TDIndustries (Dallas, TX) has announced the promotions of Bob Richards to vice president of Austin operations and Billy Platts to vice president of San Antonio operations.

C&R Mechanical Co. (Bridgeton, MO) has acquired S&J Mechanical Contractors, Inc. (Florissant, MO) as part of its expansion program. S&J specializes in refrigeration service and refrigerated warehouse design-build projects.

Thomas H. Barham Co., a Tinton Falls, NJ contractor, has been acquired by PSEG Energy Technologies (Edison, NJ). This is the fourth New Jersey-based mechanical contracting company acquired by PSEG and the seventh overall.