CHICAGO GREEN OFFICE CO
Doing business as NATIONAL OFFICE WORKS, INC.
- BURR RIDGE, IL 60527
- nationalofficeworks.com (company website, opens in a new tab)
- Corporate Entity (Not Tax Exempt)
- SAM expiring
- No verified credentials yet
- CMMCNot on file
- SPRSNone
- FCLVisible to paid members
Registration and small-business types: SAM.gov, synced Nov 9, 2026. Compliance: self-attested by the company unless marked verified. The SPRS chip shows a range, never the exact score. How verification works
- 36-mo obligations
- $0
- Awards on record
- 0
- Contract vehicles
- 0
- Verified credentials
- 0
SAM.gov registration expires in 13 days
CHICAGO GREEN OFFICE CO’s registration expires on Nov 26, 2026. Renewal can take weeks; confirm it stays active through proposal submission and award.
View on SAM.gov (opens in a new tab)Learn more about SAM registration and the UEI
About CHICAGO GREEN OFFICE CO
- Headquarters
- BURR RIDGE, IL 60527
Identifiers
UEI and CAGE come from SAM.gov. Other identifiers are listed by the company.
- UEIJTAFB7YLLEB9
- CAGE7G7V1
Capabilities & differentiators
No capability narrative yet
Compliance posture
No compliance posture published yet
Facility clearance
Facility clearance: visible to paid members
Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9). Learn more about facility clearances · Compare plans
Past performance
No federal prime awards on record
Contract vehicles
No contract vehicles on file
Proven teaming graph
No sub-award reports yet
Source: USAspending.gov sub-award reports (FSRS) (opens in a new tab) · sync date not recorded · Prime contractors report first-tier subcontracts of $30,000 or more. Amounts are reported sub-award values.
SBIR/STTR portfolio
No SBIR/STTR awards on record
Source: SBIR.gov award records (opens in a new tab) · sync date not recorded
FedRAMP offerings
No FedRAMP Marketplace listing
Source: FedRAMP Marketplace (opens in a new tab) · sync date not recorded
Exclusions & screening
SAM.gov exclusions
Not yet checked against SAM.gov exclusions.
Agencies generally may not award to excluded parties, and primes may not subcontract with them above the threshold in FAR 52.209-6 (except COTS items) without a compelling reason reported to the contracting officer (FAR 9.405, 9.405-2). Some exclusion types apply only to specific programs: read the record on SAM.gov.
Source: SAM.gov Exclusions (opens in a new tab) · sync date not recorded
Consolidated Screening List
No confirmed match on the Consolidated Screening List (screened Nov 13, 2026).
The list combines Commerce, State and Treasury export-control and sanctions lists. A “no match” result is a name-and-address screen, not an export-compliance determination.
Source: ITA Consolidated Screening List (opens in a new tab) · as of Nov 13, 2026
GSA CALC+ rate benchmark
No GSA CALC+ rates on record
Source: GSA CALC+ awarded ceiling rates (opens in a new tab) · sync date not recorded
NAICS, PSC & socio-economic status
NAICS codes
- 455219Title not in the curated listPrimary
- 337214Title not in the curated list
- 423930Title not in the curated list
- 424110Title not in the curated list
- 424120Title not in the curated list
SAM.gov does not report this entity as small under any listed NAICS code.
Socio-economic status
No socio-economic certifications reported in SAM.gov.
Product & service codes (PSC)
- 3431ELECTRIC ARC WELDING EQUIPMENT
- 3432ELECTRIC RESISTANCE WELDING EQUIPMENT
- 3433GAS WELDING, HEAT CUTTING, AND METALIZING EQUIPMENT
- 3436WELDING POSITIONERS AND MANIPULATORS
- 3438MISCELLANEOUS WELDING EQUIPMENT
- 3439MISCELLANEOUS WELDING, SOLDERING, AND BRAZING SUPPLIES AND ACCESSORIES
- 3441BENDING AND FORMING MACHINES
- 3450MACHINE TOOLS, PORTABLE
- 3750GARDENING IMPLEMENTS AND TOOLS
- 4010CHAIN AND WIRE ROPE
- 4020FIBER ROPE, CORDAGE, AND TWINE
- 4030FITTINGS FOR ROPE, CABLE, AND CHAIN
- 4110REFRIGERATION EQUIPMENT
- 4140FANS, AIR CIRCULATORS, AND BLOWER EQUIPMENT
- 4210FIRE FIGHTING EQUIPMENT
- 4220MARINE LIFESAVING AND DIVING EQUIPMENT
- 4235HAZARDOUS MATERIAL SPILL CONTAINMENT AND CLEAN-UP EQUIPMENT AND MATERIAL
- 4310COMPRESSORS AND VACUUM PUMPS
- 4320POWER AND HAND PUMPS
- 4460AIR PURIFICATION EQUIPMENT
- 4520SPACE AND WATER HEATING EQUIPMENT
- 5110HAND TOOLS, EDGED, NONPOWERED
- 5120HAND TOOLS, NONEDGED, NONPOWERED
- 5130HAND TOOLS, POWER DRIVEN
- 5133DRILL BITS, COUNTERBORES, AND COUNTERSINKS: HAND AND MACHINE
- 5140TOOL AND HARDWARE BOXES
- 5180SETS, KITS, AND OUTFITS OF HAND TOOLS
- 5210MEASURING TOOLS, CRAFTSMEN'S
- 5220INSPECTION GAGES AND PRECISION LAYOUT TOOLS
- 5280SETS, KITS, AND OUTFITS OF MEASURING TOOLS
- 5305SCREWS
- 5306BOLTS
- 5310NUTS AND WASHERS
- 5315NAILS, MACHINE KEYS, AND PINS
- 5325FASTENING DEVICES
- 5330PACKING AND GASKET MATERIALS
- 5331O-RING
- 5340HARDWARE, COMMERCIAL
- 5345DISKS AND STONES, ABRASIVE
- 5350ABRASIVE MATERIALS
- 5360COIL, FLAT, LEAF, AND WIRE SPRINGS
- 5365BUSHINGS, RINGS, SHIMS, AND SPACERS
- 5440SCAFFOLDING EQUIPMENT AND CONCRETE FORMS
- 5520MILLWORK
- 5805TELEPHONE AND TELEGRAPH EQUIPMENT
- 5815TELETYPE AND FACSIMILE EQUIPMENT
- 5935CONNECTORS, ELECTRICAL
- 5965HEADSETS, HANDSETS, MICROPHONES AND SPEAKERS
- 5975ELECTRICAL HARDWARE AND SUPPLIES
- 5995CABLE, CORD, AND WIRE ASSEMBLIES: COMMUNICATION EQUIPMENT
- 6015FIBER OPTIC CABLES
- 6030FIBER OPTIC DEVICES
- 6115GENERATORS AND GENERATOR SETS, ELECTRICAL
- 6135BATTERIES, NONRECHARGEABLE
- 6140BATTERIES, RECHARGEABLE
- 6145WIRE AND CABLE, ELECTRICAL
- 6150MISCELLANEOUS ELECTRIC POWER AND DISTRIBUTION EQUIPMENT
- 6240ELECTRIC LAMPS
- 6515MEDICAL AND SURGICAL INSTRUMENTS, EQUIPMENT, AND SUPPLIES
- 6520DENTAL INSTRUMENTS, EQUIPMENT, AND SUPPLIES
- 6532HOSPITAL AND SURGICAL CLOTHING AND RELATED SPECIAL PURPOSE ITEMS
- 6545REPLENISHABLE FIELD MEDICAL SETS, KITS, AND OUTFITS
- 6670SCALES AND BALANCES
- 6675DRAFTING, SURVEYING, AND MAPPING INSTRUMENTS
- 6680LIQUID AND GAS FLOW, LIQUID LEVEL, AND MECHANICAL MOTION MEASURING INSTRUMENTS
- 6720CAMERAS, STILL PICTURE
- 6730PHOTOGRAPHIC PROJECTION EQUIPMENT
- 6750PHOTOGRAPHIC SUPPLIES
- 6760PHOTOGRAPHIC EQUIPMENT AND ACCESSORIES
- 6910TRAINING AIDS
- 7105HOUSEHOLD FURNITURE
- 7125CABINETS, LOCKERS, BINS, AND SHELVING
- 7195MISCELLANEOUS FURNITURE AND FIXTURES
- 7210HOUSEHOLD FURNISHINGS
- 7220FLOOR COVERINGS
- 7230DRAPERIES, AWNINGS, AND SHADES
- 7240HOUSEHOLD AND COMMERCIAL UTILITY CONTAINERS
- 7290MISCELLANEOUS HOUSEHOLD AND COMMERCIAL FURNISHINGS AND APPLIANCES
- 7310FOOD COOKING, BAKING, AND SERVING EQUIPMENT
- 7320KITCHEN EQUIPMENT AND APPLIANCES
- 7330KITCHEN HAND TOOLS AND UTENSILS
- 7340CUTLERY AND FLATWARE
- 7350TABLEWARE
- 7360SETS, KITS, OUTFITS AND MODULES, FOOD PREPERATION AND SERVING
- 7420ACCOUNTING AND CALCULATING MACHINES
- 7430TYPEWRITERS AND OFFICE TYPE COMPOSING MACHINES
- 7450OFFICE TYPE SOUND RECORDING AND REPRODUCING MACHINES
- 7460VISIBLE RECORD EQUIPMENT
- 7490MISCELLANEOUS OFFICE MACHINES
- 7520OFFICE DEVICES AND ACCESSORIES
- 7530STATIONERY AND RECORD FORMS
- 7540STANDARD FORMS
- 7610BOOKS AND PAMPHLETS
- 7630NEWSPAPERS AND PERIODICALS
- 7640MAPS, ATLASES, CHARTS, AND GLOBES
- 7690MISCELLANEOUS PRINTED MATTER
- 7730PHONOGRAPHS, RADIOS, AND TELEVISION SETS: HOME TYPE
- 7735PARTS AND ACCESSORIES OF PHONOGRAPHS, RADIOS, AND TELEVISION SET: HOME TYPE
- 7810ATHLETIC AND SPORTING EQUIPMENT
- 7820GAMES, TOYS, AND WHEELED GOODS
- 7830RECREATIONAL AND GYMNASTIC EQUIPMENT
- 7910FLOOR POLISHERS AND VACUUM CLEANING EQUIPMENT
- 7920BROOMS, BRUSHES, MOPS, AND SPONGES
- 7930CLEANING AND POLISHING COMPOUNDS AND PREPARATIONS
- 7A21IT AND TELECOM - BUSINESS APPLICATION SOFTWARE (PERPETUAL LICENSE SOFTWARE)
- 8010PAINTS, DOPES, VARNISHES, AND RELATED PRODUCTS
- 8040ADHESIVES
- 8105BAGS AND SACKS
- 8125BOTTLES AND JARS
- 8135PACKAGING AND PACKING BULK MATERIALS
- 8305TEXTILE FABRICS
- 8310YARN AND THREAD
- 8315NOTIONS AND APPAREL FINDINGS
- 8320PADDING AND STUFFING MATERIALS
- 8340TENTS AND TARPAULINS
- 8345FLAGS AND PENNANTS
- 8405OUTERWEAR, MEN'S
- 8410OUTERWEAR, WOMEN'S
- 8415CLOTHING, SPECIAL PURPOSE
- 8420UNDERWEAR AND NIGHTWEAR, MEN'S
- 8425UNDERWEAR AND NIGHTWEAR, WOMEN'S
- 8430FOOTWEAR, MEN'S
- 8435FOOTWEAR, WOMEN'S
- 8440HOSIERY, HANDWEAR, AND CLOTHING ACCESSORIES, MEN'S
- 8445HOSIERY, HANDWEAR, AND CLOTHING ACCESSORIES, WOMEN'S
- 8450CHILDREN'S AND INFANTS' APPAREL AND ACCESSORIES
- 8455BADGES AND INSIGNIA
- 8457JEWELRY
- 8460LUGGAGE
- 8465INDIVIDUAL EQUIPMENT
- 8470ARMOR, PERSONAL
- 8510PERFUMES, TOILET PREPARATIONS, AND POWDERS
- 8520TOILET SOAP, SHAVING PREPARATIONS, AND DENTIFRICES
- 8920BAKERY AND CEREAL PRODUCTS
- 8925SUGAR, CONFECTIONERY, AND NUTS
- 8930JAMS, JELLIES, AND PRESERVES
- 8935SOUPS AND BOUILLONS
- 8950CONDIMENTS AND RELATED PRODUCTS
- 8955COFFEE, TEA, AND COCOA
- 8960BEVERAGES, NONALCOHOLIC
- 9505WIRE, NONELECTRICAL
- 9905SIGNS, ADVERTISING DISPLAYS, AND IDENTIFICATION PLATES
- 9925ECCLESIASTICAL EQUIPMENT, FURNISHINGS, AND SUPPLIES
- 9999MISCELLANEOUS ITEMS
- H375INSPECTION- OFFICE SUPPLIES AND DEVICES
- J075MAINT/REPAIR/REBUILD OF EQUIPMENT- OFFICE SUPPLIES AND DEVICES
- N071INSTALLATION OF EQUIPMENT- FURNITURE
- N072INSTALLATION OF EQUIPMENT- HOUSEHOLD AND COMMERCIAL FURNISHINGS AND APPLIANCES
- N074INSTALLATION OF EQUIPMENT- OFFICE MACHINES, TEXT PROCESSING SYSTEMS, AND VISIBLE RECORD EQUIPMENT
- N076INSTALLATION OF EQUIPMENT- BOOKS, MAPS, AND OTHER PUBLICATIONS
- N078INSTALLATION OF EQUIPMENT- RECREATIONAL AND ATHLETIC EQUIPMENT
- N079INSTALLATION OF EQUIPMENT- CLEANING EQUIPMENT AND SUPPLIES
- N099INSTALLATION OF EQUIPMENT- MISCELLANEOUS
PSC names from the Acquisition.gov PSC Manual (opens in a new tab) (April 2025 edition), checked Nov 12, 2026.
Teaming preferences
This company has not published teaming preferences.
Business development contact
No BD contact published
Corporate hierarchy
No parent entity reported in SAM.gov.
SBA counts affiliates when it determines whether a business is small (13 CFR 121.103), so a parent’s size can matter for set-aside work.
Data sources & provenance
SAM.gov
Registration, CAGE, NAICS, socio-economic status, corporate hierarchy and exclusions. Last synced Nov 9, 2026.
USAspending.gov
Prime award history and obligations (FPDS), synced nightly.
The contractor
Nothing yet: this profile has not been claimed by the company.
TeamingIndex verification
Credentials marked Verified were checked by a TeamingIndex reviewer; everything else is self-attested.
Corrections
Corrections to SAM.gov data must be made in SAM.gov; TeamingIndex picks them up on the next nightly sync. Go to SAM.gov (opens in a new tab)
Machine-readable: capability.md schema.org JSON-LD embedded in this page.
Zero CUI: TeamingIndex stores verification metadata only, never System Security Plans, POA&Ms or DD Form 254s.
Teaming
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