Inmunotek has a broad catalogue of allergens for intracutaneous testing:

• Grass pollens
• Weed and bush pollens
• Tree pollens
• Mites
• Fungi
• Epithelia
• Insects
• Hymenoptera poisons
• Foods
• Positive (histamine) and negative controls

They are supplied sterile in 4 mL vials.  Intracutaneous allergens are available individually or grouped in allergen sets made on demand.