| AMAZON.COM SERVICES LLC | | 23 | $105.7M | Q3 2026 |
| FEDEX CORPORATION | | 23 | $63.6M | Q3 2026 |
| NATIONAL MULTIFAMILY HOUSING COUNCIL INC | | 23 | $44.5M | Q3 2026 |
| NATIONAL RETAIL FEDERATION | | 13 | $28.3M | Q1 2025 |
| UPS (UNITED PARCEL SERVICE) | | 11 | $23.9M | Q3 2023 |
| CVS HEALTH (AND SUBSIDIARIES) | | 6 | $14.8M | Q2 2022 |
| AMERICAN FOREST & PAPER ASSOCIATION | | 22 | $14.1M | Q3 2026 |
| PHARMACEUTICAL CARE MANAGEMENT ASSOCIATION | | 7 | $13.9M | Q3 2022 |
| EBAY INC. | | 23 | $12.8M | Q3 2026 |
| DISTILLED SPIRITS COUNCIL OF THE U.S., INC. | | 12 | $12.5M | Q3 2023 |
| NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION (NRECA) | | 12 | $9.7M | Q3 2026 |
| NEWS MEDIA ALLIANCE | | 21 | $9.5M | Q3 2026 |
| THE CIGNA GROUP AND SUBSIDIARIES (FORMERLY CIGNA CORPORATION AND SUBSIDIARIES) | | 4 | $9.4M | Q2 2022 |
| SYLVAMO NORTH AMERICA LLC | | 20 | $8.9M | Q3 2026 |
| TRANSPORTATION TRADES DEPARTMENT AFL-CIO | | 23 | $8.2M | Q3 2026 |
| NATIONAL BEER WHOLESALERS ASSOCIATION | | 23 | $7.6M | Q3 2026 |
| AMERICAN PROPERTY CASUALTY INSURANCE ASSOCIATION | AMERICAN PROPERTY CASUALTY INSURANCE ASSOCIATION FKA PROPERTY CASUALTY INSURERS ASSOC. OF AMERICA | 4 | $5.8M | Q3 2022 |
| PITNEY BOWES INC. | | 23 | $5.7M | Q3 2026 |
| INTERNATIONAL PAPER | | 5 | $5.6M | Q1 2022 |
| AARP | | 2 | $5.6M | Q2 2021 |
| WINE AND SPIRITS WHOLESALERS OF AMERICA INC | | 23 | $5.3M | Q3 2026 |
| ETSY | | 23 | $5.0M | Q3 2026 |
| ASSOCIATION OF NATIONAL ADVERTISERS, INC. | | 9 | $4.1M | Q2 2023 |
| NATIONAL ASSOCIATION OF HOME BUILDERS | | 5 | $3.9M | Q1 2022 |
| WALMART INC | | 2 | $3.8M | Q1 2022 |
| NATIONAL ASSOCIATION OF MUTUAL INSURANCE COMPANIES | | 7 | $3.8M | Q3 2022 |
| UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS | | 19 | $3.6M | Q3 2026 |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE COMPANY | | 6 | $3.4M | Q2 2022 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS | | 23 | $3.2M | Q3 2026 |
| OSHKOSH CORPORATION | | 6 | $3.0M | Q3 2026 |
| AMERICAN POSTAL WORKERS UNION AFL-CIO | | 23 | $2.9M | Q3 2026 |
| QVC GROUP, INC. | | 17 | $2.7M | Q3 2026 |
| PACKAGE COALITION LLC | K&L GATES, LLP | 23 | $2.5M | Q3 2026 |
| DELOITTE LLP | | 5 | $2.3M | Q1 2022 |
| NATIONAL RURAL LETTER CARRIERS' ASSOCIATION | | 19 | $2.3M | Q3 2025 |
| BANK OF AMERICA CORPORATION | | 5 | $2.1M | Q1 2022 |
| SUSAN B ANTHONY LIST | | 6 | $1.7M | Q2 2024 |
| KEEP US POSTED | VENTURE GOVERNMENT STRATEGIES, LLC (FKA HOBART HALLAWAY & QUAYLE VENTURES, LLC) | 21 | $1.6M | Q3 2026 |
| COUNCIL FOR CITIZENS AGAINST GOVERNMENT WASTE | | 3 | $1.5M | Q4 2024 |
| PUBLIC CITIZEN | | 14 | $1.4M | Q3 2026 |