Chambers USA, a guide published annually by London-based Chambers & Partners, has honored Dallas lawyers at four firms as leading attorneys in business. The selections are based on interviews by 40 full-time researchers with more than 4,500 private attorneys and in-house counsel across the United States. Thompson, Coe, Cousins & Irons LLP, which received a Tier 1 rating in insurance law, had two attorneys, Richard Geiger and Roger Higgins recognized for their insurance expertise. Gardere Wynne Sewell LLP lawyers who received recognition are Mark Bayer and Curtis Frisbie Jr. (antitrust); Holland O'Neil, Richard Roberson and Deirdre Ruckman (bankruptcy/restructuring); D. Steven Henry(construction); Larry Schoenbrun (corporate); Marshall Doke Jr. (government contracts); Kenneth Glaser intellectual property); Kevin Kelley (real estate); Val Albright and Cym Lowell (tax litigation); and Peter Vogel technology and IT outsourcing).