John J Callahan provides professional Legal Services from its single location at the coordinates .
The company offers BOTH variables under the SIC code 8111 and NAICS code 541110, while making an annual revenue of $100.000 to $499.999 and hiring a total of 1 to 4 employees.
Founded in 2007, the company can now be visited at 1912 Sunderland Place Nw, Washington, District of Columbia 20036 or contacted through representative John Callahan at (850) 650-7475.
For frequently asked questions and further inquiries about professional Legal Services, get to know more about John J Callahan through its company website at . Engage with this business on its social media platforms through on Twitter and on Facebook.