| SecureWay Training & Compliance Institute | sfin | SecureWay Insurance | $210.00 million | Franklin, Ohio | |
| Sierra Audio Engineering Facility | tech | PixelPulse Studios | $430.00 million | Washoe, Nevada | |
| Sierra Nut & Snack Works | food | Harvest Foods | $1.30 billion | Fresno, California | |
| Sierra Ridge AI Research Park | tech | MercuryMart | $18.50 billion | Santa Clara, California | |
| Silicon Valley Micro-Actuator Lab | tech | RoboTech Innovations | $210.00 million | Santa Clara, California | |
| Silver Desert Streaming Hub | tech | StreamSphere | $3.10 billion | Clark, Nevada | |
| Silver Dunes Desert Resort | emc | Oasis Resorts | $5.60 billion | Maricopa, Arizona | |
| Silver Flats Mine | fuel | Bennett Mining | $1.30 billion | Nye, Nevada | |
| Silver Gorge Safety Training Campus | fuel | NexaFuel Corp | $190.00 million | Emery, Utah | |
| SkyHigh Atlanta Flight Technology Center | tech | SkyHigh Airlines | $143.00 million | Fulton, Georgia | |
| SkyHigh Atlanta Lounge & Experience Network | emc | SkyHigh Airlines | $34.00 million | Fulton, Georgia | |
| SkyHigh Atlanta Maintenance & Fuel Complex | fuel | SkyHigh Airlines | $397.00 million | Fulton, Georgia | |
| SkyHigh Atlanta Passenger Operations Hub | sfin | SkyHigh Airlines | $1.74 billion | Fulton, Georgia | |
| SkyHigh Boston�Springfield Flight Technology Center | tech | SkyHigh Airlines | $251.00 million | Suffolk, Massachusetts | |
| SkyHigh Boston�Springfield Lounge & Experience Network | emc | SkyHigh Airlines | $53.00 million | Suffolk, Massachusetts | |
| SkyHigh Boston�Springfield Maintenance & Fuel Complex | fuel | SkyHigh Airlines | $334.00 million | Suffolk, Massachusetts | |
| SkyHigh Boston�Springfield Passenger Operations Hub | sfin | SkyHigh Airlines | $2.44 billion | Suffolk, Massachusetts | |
| SkyHigh Chicago Flight Technology Center | tech | SkyHigh Airlines | $314.00 million | Cook, Illinois | |
| SkyHigh Chicago Lounge & Experience Network | emc | SkyHigh Airlines | $63.00 million | Cook, Illinois | |
| SkyHigh Chicago Maintenance & Fuel Complex | fuel | SkyHigh Airlines | $635.00 million | Cook, Illinois | |
| SkyHigh Chicago Passenger Operations Hub | sfin | SkyHigh Airlines | $3.68 billion | Cook, Illinois | |
| SkyHigh Dallas�Fort Worth Flight Technology Center | tech | SkyHigh Airlines | $302.00 million | Dallas, Texas | |
| SkyHigh Dallas�Fort Worth Lounge & Experience Network | emc | SkyHigh Airlines | $58.00 million | Dallas, Texas | |
| SkyHigh Dallas�Fort Worth Maintenance & Fuel Complex | fuel | SkyHigh Airlines | $729.00 million | Dallas, Texas | |
| SkyHigh Dallas�Fort Worth Passenger Operations Hub | sfin | SkyHigh Airlines | $3.38 billion | Dallas, Texas | |
| SkyHigh Denver�Colorado Springs Flight Technology Center | tech | SkyHigh Airlines | $157.00 million | Denver, Colorado | |
| SkyHigh Denver�Colorado Springs Lounge & Experience Network | emc | SkyHigh Airlines | $24.00 million | Denver, Colorado | |
| SkyHigh Denver�Colorado Springs Maintenance & Fuel Complex | fuel | SkyHigh Airlines | $418.00 million | Denver, Colorado | |
| SkyHigh Denver�Colorado Springs Passenger Operations Hub | sfin | SkyHigh Airlines | $1.53 billion | Denver, Colorado | |
| SkyHigh Houston Flight Technology Center | tech | SkyHigh Airlines | $257.00 million | Harris, Texas | |
