Coherent Technical Services

Coherent Technical Services, also called CTSi, is a defense and aerospace technology company. The site says it is now part of Aether Aerospace. The company's corporate headquarters is at 43880 Commerce Avenue in Hollywood, Maryland. The site says it was founded in 2005.

The site says a merger in 2025 joined CTSi, EXPANSIA, JHNA and TSA into Aether Aerospace. The site says the combined company provides digital engineering, open architecture, modeling and simulation, advanced prototyping and modernization. The focus is on aviation and unmanned systems.

The site lists capabilities. These include rapid prototyping, technical services, specialty lighting, aerial refueling, cybersecurity, avionics integrations, unmanned systems, air traffic control, and positioning, navigation and timing. The site says the company designs prototypes, builds systems and implements products.

The site lists products. These include an expeditionary lighting kit, landing systems, unmanned platforms, Desert Fauna, autopilots and MudBucket. The site says the company also trains users on its products and programs.

The site says the company is a Top Secret cleared facility. It says clients include all branches of the Department of Defense, NASA and commercial partners. The site lists a fabrication operation and an office in San Diego.

The site lists career openings for electrical engineers, systems engineers and machinists at sites in Maryland and California. It gives a contact form and links to LinkedIn and X pages.