I would start with Pope Auto Body in Fairfax, which is about the only place left that welcomes non-insurance work.

There is also a very serious frame and axle place whose name escapes me - I think it's Virginia Frame & Axle - on Westmoreland Street near the East Falls Church Metro stop.

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Chuck Taylor
Falls Church VA
'66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe