The following firms have filed for bankruptcy protection recently with local clerk of court offices of the U.S. Bankruptcy Court.

Under Chapter 11 of the federal bankruptcy code, a company is protected from claims by creditors while it attempts to reorganize its finances under a plan approved by the court. In a Chapter 7 liquidation, a court trustee sells assets to pay creditors' claims. The company then ceases operations.

Rockville Court District of Maryland Roger W. Eisinger Jr. of 12311 Stoney Creek Rd., Potomac, was the subject of an involuntary Chapter 11 suit filed July 24 by three banks that allege he has failed to make payments on notes owed the banks.

The Bank of Maryland alleged that Eisinger, a real estate developer, owes it $1.4 million in principal and $67,085.13 in interest on a May 11, 1989 note. First Liberty National Bank alleges he owes $480,000 principal and undisclosed interest on a July 13, 1989 promissory note. Centreville National Bank of Maryland alleges he owes $189,404 principal and interest on a May 25, 1988 note. Centreville National also alleges that Eisinger endorsed a $150,000 Bay Country Commercial Real Estate Inc. note of $150,000 and an A&W Family & Skin Care Center note of $41,408.76.

Sunnygate Village Associates, also known as CRICO Development Corp., its general partner, of 11200 Rockville Pike, filed for Chapter 11 reorganization July 24. The firm, which owns apartments in Prince William County, listed assets and liabilities as each being more than $1 million. It listed as an equity holder Capital Housing Partners-CLV II, a D.C. limited partnership, with the same Rockville Pike address.

Suburban Tools Corp. of 7012 Virginia Manor Rd., Beltsville, filed for Chapter 11 reorganization July 24. The firm listed assets of $2,228,520 and liabilities of $3,557,231.51. Also filing for Chapter 11 reorganization was a subsidiary, Suburban Core Drill Corp., of the same address. The subsidiary listed assets of $182,700 and liabilities of $115,000 in its petition.

Maryland Site Developers Inc., of Rt. 925, Box 146, Waldorf, filed for Chapter 11 reorganization July 20. The grading and earth-moving firm listed property of $518,179 and debts of $710,074.

Pizza Movers Inc., formerly known as Checkers Inc., of 3331 75th Ave., Landover, filed for Chapter 11 reorganization July 19. The company, which supplies equipment to pizza shops, listed assets of $1,232,214.10 and liabilities of $2,717,890.26.

Alexandria Division Eastern District of Virginia Jones & Lewis Construction Co. Inc. of 2658 Unicorn Court, Herndon, filed for Chapter 11 reorganization July 25. The company, which builds and sells homes, listed assets of $1,495,000 and liabilities of $1,060,000.

Cordatum Inc. of 7923 Jones Branch Rd., McLean, filed for Chapter 11 reorganization July 19. The company, which provides management consulting and training, listed assets of $802,000 and liabilities of $597,503.97.

International Support Services Ltd. of 8330 Old Courthouse Rd., Vienna, filed for Chapter 7 liquidation July 19. The firm listed assets of $5,777.20 and liabilities of $282,647.15.

The National AIDS Prevention Institute, also known as Children with AIDS, of P.O. Box 448, Marshall, filed for Chapter 7 liquidation July 19. The organization listed assets of $13,281 and liabilities of $19,452.75.

Seafood King Group Inc. of 7536-E Fullerton Court, Springfield, filed for Chapter 7 liquidation July 25. The seafood wholesaler listed assets of $119,742.41 and liabilities of $1,471,328.01.

District of Columbia

E.A. Wilburn Trash Service Inc. of 30 Kennedy St. NW, No. 107, filed for Chapter 11 reorganization July 19. The firm listed assets of $135,000 and liabilities of $275,000.

Victoria Estates Ltd. of 1917 13th St. NW filed for Chapter 11 reorganization July 19. The real estate development firm listed assets of $500,000 and liabilities of $366,000.