GSA Federal Acquisition Service
Search:

For general questions, contact:
FAS National Customer Service Ctr
Phone: 1-800-488-3111
E-mail: ncsccustomer.service@gsa.gov


MAS Multiple Award Schedule
Professional Services - Business Administrative Services
Category Description
541611 Management and Financial Consulting, Acquisition and Grants Management Support, and Business Program and Project Management Services Provide operating advice and assistance on administrative and management issues. Examples include: strategic and organizational planning, business process improvement, acquisition and grants management support, facilitation, surveys, assessment and improvement of financial management systems, financial reporting and analysis,due diligence in validating an agency’s portfolio of assets and related support services, strategic financial planning, financial policy formulation and development,special cost studies, actuarial services, economic and regulatory analysis, benchmarking and program metrics, and business program and project management.

Inherently Governmental services as identified in FAR 7.503 or by the ordering agency are prohibited. It is the responsibility of the Contracting Officer placing the order to make this determination. Ordering activities must require prospective contractors to identify potential conflicts of interest and address those, prior to task order award.

Personal services as defined in FAR 37.104 are prohibited.
Customer Survey Services
185 contractors

Download Contractors (Excel)
Display:
  Hold the 'Ctrl' key to select all that apply
Search Contractor T&Cs/Pricelist
Contractor       Contract # Phone City, State Socio-
Economic
Contractor T&Cs
/Pricelist
View Catalog
22ND CENTURY TECHNOLOGIES INC.       GS-35F-0579T 7034364597 MCLEAN ,VA o
A-FRAME SOLUTIONS LLC 47QRAA18D003H 703-831-7461 WASHINGTON ,DC s
ABACO STRATEGY, LLC 47QRAA18D007R 703-231-3403 LEESBURG ,VA s/w/wo/ew/d/h
ACCENTURE FEDERAL SERVICES LLC       GS-35F-540GA 571-414-4033 ARLINGTON ,VA o
ADVANCED MANAGEMENT STRATEGIES GROUP, INC. GS-00F-024CA 5713910435 DUMFRIES ,VA s/dv
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-419-5738 LOS ANGELES ,CA o
AGENDA, LLC       47QRAA18D00FV 5058885877 ALBUQUERQUE ,NM s/d
ALPHA OMEGA INTEGRATION LLC GS-35F-360GA 240-601-7401 VIENNA ,VA s/w/wo/ew/d/8a
AM2 SOLUTIONS LLC GS-10F-0422X 7034702070 HERNDON ,VA s/w/wo
AMERICAN PRODUCTIVITY & QUALITY CENTER, INC. GS-10F-0357M 513-519-2043 HOUSTON ,TX o
AOC SOLUTIONS INC 47QRAA20D005S 7034952899 FAIRFAX ,VA s/dv/d
APPLIED CURIOSITY RESEARCH, LLC       47QSWA18D008K 212-401-4895 CAPE ELIZABETH ,ME s
APPLIED ENGINEERING MANAGEMENT CORPORATION GS-00F-083GA 7038858017 HERNDON ,VA o
APPLIED INSIGHT, LLC GS-00F-145GA 703-554-1650 TYSONS ,VA o
APPLIED MEMETICS, LLC 47QRAA18D0044 571-766-6029 LEESBURG ,VA s
APTIVE RESOURCES LLC GS-07F-281BA 571-210-4500 ALEXANDRIA ,VA s/w/wo/ew/dv/d
ASCELLA TECHNOLOGIES, INC. GS-00F-126CA 703-635-3180, EXT 10 HERNDON ,VA s/d
ASTA GROUP, LLC, THE GS-10F-0122X 8509126793 PENSACOLA ,FL s/w/wo
ATLAS RESEARCH LLC GS-10F-203AA 202-717-8738 WASHINGTON ,DC o
AVAR CONSULTING, INC. GS-10F-096CA 301-977-6553 ROCKVILLE ,MD s/w/wo/d/8a
BARROW WISE CONSULTING, LLC GS-00F-231DA 2406602087 EXT. 101 ROCKVILLE ,MD s/w/wo/ew/d/8a
BAYFIRST SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC s/d
BENT EAR SOLUTIONS LLC 47QRAA21D005T 7036557019 ALEXANDRIA ,VA s/v/d
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-434-1886 ASHBURN ,VA s/d
BLH TECHNOLOGIES, INC. GS-10F-0064W (240) 399-8722 ROCKVILLE ,MD s/dv/d
BLUEPATH LABS LLC 47QRAA19D0020 787-405-4501 WASHINGTON ,DC s/dv/d/8a
BRANDON GREEN MANAGEMENT GROUP, LLC, THE 47QRAA18D00BG 301-775-7601 SILVER SPRING ,MD s/dv
BUSINESS SOLUTIONS GROUP INC GS-00F-286DA 410-849-8916 RIDGE ,MD s/w/wo/d
CAPITOL MANAGEMENT CONSULTING SERVICES, INC 47QRAA18D005F 571-318-6404 MCLEAN ,VA s/d/8a
CAREERSTONE GROUP, LLC GS-10F-0165V 202-595-1328 WASHINGTON ,DC s/w
CARNEY, INC. GS-02F-0137S 7032035440 ALEXANDRIA ,VA s
CELEEN, LLC       47QRAA18D002P 1-618-222-1600 PERRYVILLE ,MO s/w/wo/ew/8a
CENTEVA, LLC GS-00F-132DA (801)967-0077 SOUTH JORDAN ,UT s/w/wo/ew/d/8a  
CG STRATEGY INC GS-10F-106CA 703-527-7001 ARLINGTON ,VA s/w/wo
CHILD TRENDS INC       47QRAA19D004U 240-223-9217 BETHESDA ,MD o
CIC RESEARCH, INC. GS-00F-040CA 858-637-4000 SAN DIEGO ,CA s/v/d
CIRCUIT MEDIA LLC 47QRAA18D00EN 303-292-1212 DENVER ,CO s/w/wo/ew/d/8a
COLEY & ASSOCIATES INC GS-02F-0172Y 210-402-6766 SPRING BRANCH ,TX s/dv
COMMAND DECISIONS SYSTEMS & SOLUTIONS, INC. GS-00F-305CA 8435528025 STAFFORD ,VA s/w/wo
COMMUNICATIONS TRAINING ANALYSIS CORPORATION 47QRAA20D004K (703) 289-3812 FALLS CHURCH ,VA s
CONTRACTING RESOURCES GROUP, INC. GS-00F-009CA 443-277-0781 BALTIMORE ,MD s/w/wo/ew/d
CORNER ALLIANCE INCORPORATED GS-10F-0283W 202-754-8125 WASHINGTON ,DC s
CREATIVE SOLUTIONS CONSULTING, INC. GS-00F-234DA 3176440187 INDIANAPOLIS ,IN o
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA s/d/8a
CRISIS1, LLC 47QRAA18D002N 703-657-6044 RESTON ,VA s/dv
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
DALBERG CONSULTING-U.S., LLC GS-10F-0188V 415-264-6993 NEW YORK ,NY o
DELOITTE & TOUCHE LLP GS-00F-029DA 703-251-1642 ARLINGTON ,VA o
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1642 ARLINGTON ,VA o
DELTHA CORPORATION GS-00F-224CA (504) 367-6766 NEW ORLEANS ,LA s/d
DEWBERRY ENGINEERS INC. GS-00F-280CA 7032086872 FAIRFAX ,VA o
DIRECTVIZ SOLUTIONS LLC 47QRAA19D0050 703-662-0433 VIENNA ,VA o
DRANREF, LLC 47QRAA18D0053 7036254555 WASHINGTON ,DC s/d
DYNAMIC MANAGEMENT ASSOCIATES, LLC GS-10F-088AA (703)398-9217 WOODBRIDGE ,VA s/dv
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FAIRFAX ,VA o
E.F. KEARNEY, LIMITED 47QRAA20D004E 703-931-5600 ALEXANDRIA ,VA o
EASTERN RESEARCH GROUP, INC. GS-00F-079CA 7742491622 LEXINGTON ,MA o
EBI MANAGEMENT GROUP, INC. GS-00F-101DA 850-462-3393 PENSACOLA ,FL s/dv/d/h
ECONOMETRICA, INC. GS-00F-101CA 3016578311 BETHESDA ,MD o
ECONOMIC CONSULTANTS OREGON, LTD. 47QRAA20D007U 503-200-5076 PORTLAND ,OR s
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
EDUCATION DEVELOPMENT CENTER, INC. GS-10F-0406P 617-969-7100 WALTHAM ,MA o
EMPIRICAL CORPORATION GS-23F-0059U 301-839-3671 ALEXANDRIA ,VA s/d/8a
EUREKAFACTS LLC GS-00F-211CA 240 403 1636 ROCKVILLE ,MD s/d
FINANCIAL & REALTY SERVICES, LLC 47QRAA20D005Q 301-755-0081 CALVERTON ,MD s/d
FOXX PROFESSIONALS, LLC 47QRAA18D00DE 301-213-1470 UPPER MARLBORO ,MD s/dv/d/8a
FULL CIRCLE COMPUTING INC 47QRAA20D0041 6105949510 EXTON ,PA s/w/wo/ew/d/8a
FUSION PPT LLC GS-00F-204DA 3018369204 VIENNA ,VA s
G2 GLOBAL SOLUTIONS, LLC GS-00F-397GA 703-727-6850 GAINESVILLE ,VA s/w/wo/ew/dv/d/8a
G3 INNOVATIVE SOLUTIONS LLC 47QRAA20D001H 240-466-8881 BOWIE ,MD s/d/8a
GALLUP, INC.       47QRAA19D003U (202) 715-3030 WASHINGTON ,DC o
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 ELLICOTT CITY ,MD s/w/wo/ew/d/8a
GEMINI TECH SERVICES LLC 47QRAA18D00DA 202-213-6274 WILLOW PARK ,TX s/w/wo/ew/d/8a
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-10F-0450R 703-995-3733 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GLOBAL ENGINEERING & TECHNOLOGY, INC. 47QRAA18D000R (305) 648-1102 MIAMI ,FL s/d
GLOBAL TECH INC. GS-10F-0376U 703-652-0991 VIENNA ,VA o
GOVERNMENT CONTRACT SOLUTIONS INC       GS-10F-0362R 5713709681 RESTON ,VA o
GREEN CELL CONSULTING LLC 47QRAA19D000J 540-300-6231 FREDERICKSBURG ,VA s/dv/d
GRYPHON TECHNOLOGIES, L.C. GS-10F-0006S 757-763-6612 WASHINGTON ,DC o
GUARDIANS OF HONOR, LLC GS-00F-156CA 202-848-1402 WASHINGTON ,DC s/w/wo/ew/d/h
HEALTH SERVICES ADVISORY GROUP, INC       GS-10F-0166R 602-264-6382 PHOENIX ,AZ o
HENDALL INC. 47QRAA19D001A 301-605-7487 ROCKVILLE ,MD s/d
HIGHERED INSIGHT, LLC 47QRAA21D0092 202-798-5268 MCLEAN ,VA s/w/wo
HURON CONSULTING SERVICES LLC GS-00F-146DA 678-468-0221 CHICAGO ,IL o
INTEGRATED FINANCE AND ACCOUNTING SOLUTIONS, LLC GS-23F-0027Y 703-583-4327 WOODBRIDGE ,VA s/w/wo/dv/d/8a
INTEGRATEIT LLC GS-10F-0371X 4348258509 ASHBURN ,VA s
INTERACTIVE GOVERNMENT HOLDINGS, INC.       47QRAA18D00BT 571-348-1165 SPRINGFIELD ,VA s/dv/d/8a
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 7812225589 BURLINGTON ,MA o
J A M A ENTERPRISES GS-02F-090BA 717-790-8723 MECHANICSBURG ,PA s/w/wo/ew/8a
JAMES BELL ASSOCIATES, INC. 47QRAA20D0008 7035283230 ARLINGTON ,VA s
JAVA PRODUCTIONS, INC.       GS-10F-0132V 540-443-9273 BLACKSBURG ,VA o
JEFFERSON CONSULTING GROUP, LLC GS-00F-120DA 2026268775 WASHINGTON ,DC s/w/wo
JONES LANG LASALLE AMERICAS, INC. GS-00F-159CA 202-719-6906 WASHINGTON ,DC o
K.L. SCOTT & ASSOCIATES LLC 47QRAA18D00GU (404) 692-5552 ATLANTA ,GA s/d/h
KACE COMPANY, LLC, THE GS-10F-0392N (571)223-4600 ASHBURN ,VA o    
KAISER ASSOCIATES INC GS-10F-0159W 202-454-2033 WASHINGTON ,DC o
KAIZEN COMPANY, LLC, THE GS-10F-0124Y (202)299-9801 WASHINGTON ,DC o  
KEARNEY & COMPANY, P.C. GS-00F-031DA 703-931-5600 ALEXANDRIA ,VA o
KENNELL & ASSOCIATES INC 47QRAA20D0059 (703) 269-6159 FALLS CHURCH ,VA s
KEY & ASSOCIATES, P.C. GS-23F-0043V 2406415197 SILVER SPRING ,MD s/w/d/8a
KILDA GROUP, LLC GS-10F-0314T 410-990-1819 SEVERNA PARK ,MD s/dv
KONE CONSULTING LLC 47QRAA19D0049 360-402-4606 EDMONDS ,WA s/w/wo
KPMG LLP
(DBA: KPMG LLP FEDERAL SERVICES)
GS-00F-275CA 571.695.5246 MCLEAN ,VA o
LADLAS PRINCE LLC GS-23F-0064Y 2483339440 PONTIAC ,MI s/dv/h
LEIDOS, INC. GS-00F-022CA 240-460-5984 RESTON ,VA o
LEVEL 4 PRESS, INC. GS-00F-244CA 6199174917 JAMUL ,CA s/dv
LIBRARY ASSOCIATES OF MARYLAND, LLC 47QRAA18D00F6 240-292-0502 LOS ANGELES ,CA o
LINDAHL REED, INC. 47QRAA18D00GR 541/638-9264 REDMOND ,OR s/w/wo/ew/d/8a
LUCAYAN TECHNOLOGY SOLUTIONS LLC 47QRAA20D0052 8133973960 TAMPA ,FL s/dv/d/8a/h
M POWERED STRATEGIES, INC. GS-00F-170CA 571-643-2902 WASHINGTON ,DC s/h
M.C. DEAN, INC. 47QSWA19D002W 703-243-6231 X7143 TYSONS ,VA o
M2 STRATEGY INC GS-00F-292DA 703-304-8856 MCLEAN ,VA s/w/wo/ew/d
MAGNUS MANAGEMENT GROUP, LLC GS-35F-0103Y 3073330711 CENTREVILLE ,VA s/w/wo
MANAGED CARE ADVISORS, INC. GS-10F-0323P 301-469-1660 BETHESDA ,MD s/w
MANAGEMENT RESOURCE SERVICES INC GS-10F-0275S 630-983-7607 HAMPSTEAD ,NC s/w/wo/d
MANAGEMENT SCIENCE AND INNOVATION, INC. GS-10F-0022S 703-437-5236 RESTON ,VA s/d/h
MAXIMUS FEDERAL SERVICES, INC. GS-10F-0085Y 703-638-3485 FALLS CHURCH ,VA o
MCCONNELL & JONES GS-23F-0086W (713)968-1600 WASHINGTON ,DC s  
ME&A, INC. GS-10F-154BA 2407626296 BETHESDA ,MD s
MERZIER PROCESS GROUP, LLC GS-35F-458GA 703-657-9036 LEESBURG ,VA s/w/wo/ew/dv/d
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MILLENNIUM GROUP INTERNATIONAL, LLC, THE GS-10F-0412P 703-260-6710 STERLING ,VA s/d/8a
MINDCUBED L.L.C. 47QRAA18D00AJ 703-544-9697 WASHINGTON ,DC s/d/8a
MIRACORP, INC. GS-10F-233AA 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d
MYERS AND STAUFFER LC GS-23F-0058V 816-945-5302 KANSAS CITY ,MO o
NATIONAL INSTITUTE FOR CHILDREN'S HEALTH QUALITY, INC. 47QRAA19D006V 617-391-2727 BOSTON ,MA o
NATIONAL OPINION RESEARCH CENTER 47QRAA20D001M 312-201-4462 CHICAGO ,IL o
NETWORKING & ENGINEERING TECHNOLOGIES, INC. GS-10F-0083X 703-598-3701 WOODBRIDGE ,VA s/d
NORTHRIDGE GROUP, INC.,THE GS-10F-0486P 8476927002 ROSEMONT ,IL s/w
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED GS-00F-195CA (865) 574-7759 OAK RIDGE ,TN o
OBSIDIAN ANALYSIS, LLC GS-10F-048AA 617 673-7170 ARLINGTON ,VA o
OCEAN ASSOCIATES, INCORPORATED GS-10F-0567P 703-388-9548 ARLINGTON ,VA s/w/wo
P3S CORPORATION GS-23F-001AA 2104966934 FORT LAUDERDALE ,FL s/w/wo/ew/d/8a
PACIFIC RESEARCH AND EVALUATION LLC 47QRAA18D006Y 503-595-3970 PORTLAND ,OR s
PALLADIUM INTERNATIONAL, LLC GS-10F-182AA (202) 775-9680 WASHINGTON ,DC o
PANAGORA GROUP GS-00F-210DA 202-460-3025 SILVER SPRING ,MD s/w/wo
PCG ENTERPRISES INC       GS-00F-318GA (650) 223-8230 PALO ALTO ,CA s/w/wo/ew/d
PERFORMANCE EXCELLENCE PARTNERS INC       GS-10F-0281T 714-374-1140 HUNTINGTON BEACH ,CA s/w/wo/d
PILLAR SYSTEMS CORPORATION 47QTCA19D004M 703-548-4800 ALEXANDRIA ,VA s/w/wo/ew/d/h
PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
POLICY STUDIES ASSOCIATES, INC. 47QRAA18D00C3 2029395327 WASHINGTON ,DC s/w/wo
PRETING LLC 47QRAA19D009U 910.273.7845 SPRINGFIELD ,VA s/w/wo/ew/dv
PRO-SPHERE TEK, INC. GS-00F-158GA (703) 810-3030 ALEXANDRIA ,VA o
PROFESSIONAL SOLUTIONS DELIVERED, LLC GS-00F-013BA 8046163602 KING GEORGE ,VA s/dv
PTG INTERNATIONAL, INC.       GS-02F-0033T 240-449-8482 GERMANTOWN ,MD s
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 919-541-6543 RESEARCH TRIANGLE P ,NC o
RIPPLE EFFECT COMMUNICATIONS, INC. GS-10F-0365T 800-277-5708 ROCKVILLE ,MD s/w/wo
RIVIDIUM INC. GS-02F-183AA 7033663900 MANASSAS ,VA s/dv/d/8a
RM ADVISORY SERVICES, LLC GS-23F-0021T 7038502352 ALEXANDRIA ,VA s
ROBERT D. NIEHAUS, INC. GS-10F-0060P 8059620611 SANTA BARBARA ,CA s
ROCK CREEK PUBLISHING GROUP INC GS-00F-169CA 202-791-0095 WASHINGTON ,DC o
ROCKWOOD COMPANY LLC 47QRAA18D0018 2028416634 WASHINGTON ,DC s/w/wo
RP PROFESSIONAL SERVICES, LLC 47QTCA20D009S (202) 495-1081 ASHBURN ,VA s/dv/d
RUCHMAN AND ASSOCIATES, INC GS-00F-356CA 301-776-5000 NOTTINGHAM ,MD s
RWC CONSULTING GROUP, LLC GS-23F-0006V 830-249-1953 BOERNE ,TX s
SAFETY RESEARCH CORP OF AMERICA, L.L.C. GS-00F-0032Y 3346787722 DOTHAN ,AL s/w/wo
SALIENSE CONSULTING LLC 47QRAA18D00C0 240-475-8785 TYSONS CORNER ,VA s/w/wo/ew/d/8a
SAVVEE CONSULTING INC. GS-10F-0410Y 703-230-0990 X110 CHANTILLY ,VA o
SOFTEK INTERNATIONAL, INC. 47QTCA18D00BM 973-727-2832 PISCATAWAY ,NJ s/w/wo/ew/d/8a/h
SOLUTIONS BY DESIGN II, LLC GS-35F-242GA 703-286-1880 VIENNA ,VA s/w/wo/ew/d
STOKES EVANS LIMITED GS-10F-0358Y 703-626-4014 ALEXANDRIA ,VA s/w/wo
STRATEGIC OPERATIONAL SOLUTIONS INC. 47QRAA19D000U 7039428590 STERLING ,VA o
STRATEGY CONSULTING TEAM, LLC 47QRAA18D00BB 703-408-4056 FAIRFAX ,VA s/w/wo/d
SUMMIT CONSULTING LLC       GS-00F-122CA 703-380-8822 WASHINGTON ,DC o
SYLVAIN ANALYTICS INC.       GS-00F-0001W 703-260-7090 DEERFIELD BEACH ,FL s/v/d/8a
SYNAVOICE LLC 47QRAA18D00D0 703-401-2340 OAKTON ,VA s/w/wo/ew/d
SYNERGIST JV LLC 47QTCA20D0012 2404758785 MCLEAN ,VA s/w/wo/ew/d/8a
T AND T CONSULTING SERVICES, INC. GS-10F-0484Y 240-654-0933 FALLS CHURCH ,VA s/w/wo/ew/d/8a
T3 TECHNOLOGIES, LLC GS-10F-008AA 800-517-1137 X6 ARLINGTON ,VA s/dv/d
TDB COMMUNICATIONS, INC. GS-10F-0230W 913-327-7400 WASHINGTON ,DC s/dv
TECHNICAL ASSENT, LLC GS-00F-340GA 202-904-8527 ARLINGTON ,VA s/dv/d
TECHWERKS, LLC GS-00F-160DA (614)434-6672 ARLINGTON HEIGHTS ,IL o  
TELESTO GROUP LLC GS-10F-0005U 561-802-7446 WEST PALM BEACH ,FL s
THOMAS & HERBERT CONSULTING LLC GS-10F-0423N 301-370-7329 LAUREL ,MD s/v/d
TM3 SOLUTIONS, INC GS-35F-158GA 703-348-4665 ALEXANDRIA ,VA s/dv/d/8a
UNITY TECHNOLOGIES CORPORATION 47QRAA19D003P 301-300-6942 MYERSVILLE ,MD s/w/wo/ew
VERDI CONSULTING, INC. GS-00F-0016Y 703-584-7780 TYSONS CORNER ,VA s/w/wo/ew/d/8a
VERGYS LLC GS-10F-0339X 7038642746 BOWIE ,MD s/d/8a
VERINT AMERICAS INC. GS-10F-0044W 310-806-4982 ALPHARETTA ,GA o
VISIONARY CONSULTING PARTNERS, LLC GS-00F-080DA 703-766-4675 FAIRFAX ,VA s/w/wo/ew/dv/d/8a
WWC GLOBAL LLC GS-10F-0224U 202-406-0224 LUTZ ,FL s/w/wo/ew/d/8a
YANG ENTERPRISES, INC. GS-10F-0135Y 407 365 7374 OVIEDO ,FL s/w/wo/d
ZENTEK CONSULTING, INC. GS-23F-049AA 703-955-1868 STERLING ,VA s/d