| 3311 | Pacemakers, manufacturing | |
| 0500 | Pacific saltwater fishing | |
| 2519 | Pacifiers, rubber, manufacturing | |
| 9249 | Pack trains (i.e., trail riding) | |
| 6412 | Package delivery, private (air) | |
| 6412 | Package delivery, private (except air) | |
| 7499 | Package design (industrial) services | |
| 7220 | Packaged computer software, all formats, publishers | |
| 7220 | Packaged computer software, publishing | |
| 7495 | Packaging and labelling service (not packing and crating for transportation) | |
| 5121 | Packaging and selling potting soil | |
| 2520 | Packaging film, plastics, single or multi-web, manufacturing | |
| 7495 | Packaging jams for restaurants | |
| 2919 | Packaging machinery, manufacturing | |
| 0140 | Packaging service, fresh or farm, dried fruits and vegetables | |
| 7495 | Packaging services (except crating for transportation) | |
| 7495 | Packaging toothpaste and brushes (individually) | |
| 2520 | Packaging, foam plastics (except polystyrene), manufacturing | |
| 2520 | Packaging, plastics (e.g., blister, bubble), manufacturing | |
| 2429 | Packers' fluids, manufacturing | |
| 6309 | Packing and crating service transportable goods (except used household goods) | |
| 6023 | Packing and transporting used household goods | |
| 2023 | Packing cases, wood, nailed or lock corner, manufacturing | |
| 2023 | Packing crates, wood, manufacturing | |
| 6309 | Packing goods for shipping | |
| 5122 | Packing house, fruit, fresh, wholesale | |
| 1911 | Packing leather, manufacturing | |
| 5150 | Packing machinery and equipment, wholesale | |
| 6309 | Packing of goods (except used household goods) | |
| 0140 | Packing service, fruits and vegetables | |
| 6023 | Packing used household goods moving and storage | |
| 2699 | Packing, asbestos, manufacturing | |
| 1912 | Packing, cup, U-valve, leather, manufacturing | |
| 5150 | Packing, hose and belting, industrial, wholesale | |
| 2899 | Packing, metallic, manufacturing | |
| 2519 | Packing, rubber, manufacturing | |
| 2109 | Padded envelopes, manufacturing | |
| 1729 | Padding and wadding (except nonwoven fabric), manufacturing | |
| 1729 | Padding and wadding, nonwoven fabric, manufacturing | |
| 2029 | Paddles, wood, manufacturing | |