For questions regarding SBA certifications, size standards and other small business questions please visit the following sites. 

SBA Frequently Asked Questions
http://web.sba.gov/faqs/

Acronyms
ACO Administrative Contracting Officer
ASPR Armed Services Procurement Regulations
BAA Broad Agency Announcement
BICs Business Information Centers
BRC Business Resource Center
CAAC Civilian Agency Acquisition Council
CAGE Commercial and Government Entity
CCR Central Contractor Registration
COC Certificate of Competency
DARC Defense Acquisition Regulatory Council
DCAA Defense Contract Audit Agency
DCMAO Defense Contract Management Area Office
DCMC Defense Contract Management Command
DFARS Defense Federal Acquisition Regulations Supplier
DLA Defense Logistics Agency
DLIS Defense Logistics Information Service
DOD Department of Defense
DOE Department of Energy
DON Department of the Navy
DOT Department of Transportation
DUNS Data Universal Numbering System
EIN Employer Identification Number (Federal Tax ID)
EPA Environmental Protection Agency
FAR Federal Acquisition Regulation
FSC Federal Supply Code
GSA General Services Administration
HBCU/MI Historically Black Colleges & Universities / Minority Institutions
HHS Health & Human Services
HUBZone Historically Underutilized Business Zone
JWOD Javits-Wagner-O’Day
LB Large
MOU Memorandum of Understanding
NAICS North American Industry Classification System
NAPS Navy Acquisition Procedures Supplement
NASA National Aeronautics & Space Administration
OSCS One-Stop Capital Shops
OSDBU Office of Small & Disadvantaged Business Utilization
POC Point of Contact
PRO-Net Procurement Marketing Access Network
PTAC DOD Procurement Technical Assistance Centers
RFP Request for Proposal
SADBU Small and Disadvantaged Business Utilization
SB Small Business
SBDC Small Business Development Centers
SBA Small Business Administration
SBIR Small Business Innovative Research
SBLO Small Business Liaison Officer
SCORE Service Corps of Retired Executives
SDB Small Disadvantaged Business
SD-VOSB Service Disabled Veteran-Owned Small Business
SIC Standard Industrial Classification Code
STTR Small Business Technology Transfer Program
VOSB Veteran Owned Small Business
WOSB Woman Owned Small Business