| Taxpayer | Nature of Business | # of Accts | Real Estate | Personalty | Total | *Taxes |
| Baker Properties | real estate leasing | 7 | 22,577,700 | 0 | 22,577,700 | $720,229 |
| Bayer Pharmaceuticals Corp | pharmaceuticals | 11 | 21,299,800 | 675,620 | 21,975,420 | $701,016 |
| Inland Western Orange 440 Post | Home Depot Plaza | 2 | 10,984,800 | 819,340 | 11,804,140 | $376,552 |
| AvalonBay Communities Inc | apartments | 3 | 11,108,100 | 108,780 | 11,216,880 | $357,818 |
| Orange Plaza LLC | X-Mas Tree Plaza | 1 | 10,833,200 | 0 | 10,833,200 | $345,579 |
| Target Corp | Target | 1 | 8,570,500 | 937,500 | 9,508,000 | $303,305 |
| Lowe's Home Center Inc. | Lowe's | 2 | 8,405,700 | 948,940 | 9,354,640 | $298,413 |
| R&F Orange LLC | Raymour & Flannagan Plaza | 2 | 8,026,600 | 200,000 | 8,226,600 | $262,429 |
| Dichello Distributors Inc | distribution center | 2 | 6,359,200 | 718,740 | 7,077,940 | $225,786 |
| Urstadt Biddle Properties Inc | Shopping plaza | 1 | 7,061,000 | 0 | 7,061,000 | $225,246 |
| Hubbel Harvey Inc | corporate office | 13 | 5,784,200 | 1,096,130 | 6,880,330 | $219,483 |
| Orange Improvement Partnership | buildings, 80 Boston Post Rd | 1 | 6,729,500 | 0 | 6,729,500 | $214,671 |
| Orange Care LLC | elderly assisted living | 2 | 5,775,000 | 393,530 | 6,168,530 | $196,776 |
| National Amusements | cinema | 1 | 5,532,900 | 497,280 | 6,030,180 | $192,363 |
| Great Island Dev Group | 50 Boston Post Road | 1 | 5,772,200 | 0 | 5,772,200 | $184,133 |
| Totals | 144,820,400 | 6,395,860 | 151,216,260 | $4,823,799 | ||
| the top fifteen taxpayers comprise 10.49 percent of the 2005 net grand list | ||||||
| *taxes based on 31.9 mills | ||||||