Acronyms Used in Government Contracting (I)

Master list of the most frequently used government contracting acronyms. These acronyms and abbreviations are routinely used in government solicitations. You will also encounter these acronyms throughout the various sections of government contracts. This master list of acronyms will help you better understand the specialized language of government contracting. This is essential for successfully doing business with the Department of Defense (DoD) and working with contracting offices at military bases and DoD agencies.  You can also use our Glossary of defense contracting terms.


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View GLOSSARY of Contracting Terms 


I&L   Installations and Logistics
IA   Information Assurance
IB   Industrial Base
IBR   Integrated Baseline Review
ICA   Independent Cost Analysis
ICAF   Industrial College of the Armed Forces
ICD   Initial Capabilities Document
ICDT   Integrated Capabilities Development Team (Army)
ICE   Independent Cost Estimate
ICEP   Information Certification Evaluation Plan
ICP   International Cooperative Program
ICP   Inventory Control Point
ICS   Interim Contractor Support
ICT   Integrated Concept Team 
ICTO   Interim Certificate to Operate 
ICWG  Interface Control Working Group 
IDD   Interface Design Document 
IDDQ   Indefinite Delivery Definite Quantity
IDE   Integrated Digital Environment 
IDIQ   Indefinite Delivery Indefinite Quantity 
IE   Industrial Engineer  
IEAC   Independent Estimate at Completion 
IED   Improvised Explosive Device  
IER   Information Exchange Requirement 
IES   Industrial Engineering Standard
IF   Industrial Fund 
IFB   Invitation for Bid 
IG   Inspector General 
IGCE   Independent Government Cost Estimate 
I LEVEL   Intermediate Level of Maintenance 
ILA   Independent Logistics Assessment 
ILM   Intermediate-Level Maintenance 
ILS   Integrated Logistics Support 
ILSMT   Integrated Logistics Support Management Team  
IM   Item Manager 
IMP   Integrated Master Plan 
IMS   Integrated Master Schedule 
INF   Intermediate-Range Nuclear Forces 
INFOSEC   Information Security 
IO   Information Operations 
IOC   Initial Operational Capability

IOT&E   Initial Operational Test and Evaluation
IP   Intellectual Property
IPA   Independent Program Assessment 
IPD   Integrated Product Development
IPE   Industrial Plant Equipment
IPF   Initial Production Facilities
IPL   Integrated Priority List
IPMR   Integrated Program Management Report
IPP  Industrial Preparedness Planning
IPPD   Integrated Product and Process Development
IPR   In-Progress/Process Review
IPS   Integrated Product Support
IPT   Integrated Product Team
IQC   Indefinite Quantity Contract
IRB   Investment Review Board
IRCO   Intelligence Requirements Certification Office
IR&D   Independent Research and Development
IRM   Information Resources Management
IRR   Internal Rate of Return
IRS   Interface Requirement Specification
IS   Information Systems
IS   Initial Spares
IS-CDD   Information Systems-Capability Development Document
IS-ICD   Information Systems-Initial Capabilities Document
ISA   International Standardization Agreement
ISO International Standards Organization
ISP   Information Support Plan
ISP   Internet Service Provider
ISR   In-Service Review
ISSA   Inter-Service Support Agreement
IT   Information Technology
ITA   Information Technology Architecture
ITEA   Initial Threat Environment Assessment
ITOPS   International Test Operations Procedures
ITP   Integrated Test Plan
ITR   Initial Technical Review
ITS   Information Technology System
ITWA   Initial Threat Warning Assessment
IUID   Item-Unique Identification
IV&V   Independent Verification and Validation
IW   Information Warfare


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Guidance for Doing Business with Military Bases