ROCHESTER HILLS, MICH. — Spalding DeDecker Associates Inc., a regional civil engineering, landscape architectural, and surveying firm, acquired Coyle Engineering Inc. of San Antonio, Texas. Coyle Engineering Inc. will become Coyle•SDA.

Both professional engineering firms offer services to a wide variety of client types. Established in 1995, Coyle Engineering Inc. serves the San Antonio Metropolitan Area, the Hill Country, and South and Central Texas. SDA is headquartered in Michigan, with offices in Rochester Hills, Detroit, Livonia, and Monroe, as well as Cleveland, Ohio.

Coyle•SDA will continue to serve its client base from an office on Old Dietz Elkhorn in Northwest Bexar County, and Beth G. Coyle will remain in her current capacity as CEO of the firm as will H. Michael Coyle, Jr., P.E., remain president.

“We are extremely excited about joining with SDA and bringing their additional expertise to our clients. SDA also offers additional resources for our staff which bodes well for the future of Coyle•SDA,” said Beth Coyle.

“The leadership and relationships that Beth and Michael Coyle provide, coupled with the services and experience that SDA offers, make this acquisition extremely exciting for us. We look forward to bringing new services for Coyle•SDA to offer to new and existing clients. We are also delighted to now have a presence in the San Antonio area and look to grow and add staff in the future,” said Steve Benedettini, president of Spalding DeDecker Associates, Inc.